import axios from 'axios'
import { MessageBox, Message } from 'element-ui'
import store from '@/store'
import { getToken, getMachineCode } from '@/utils/auth'

// create an axios instance
const service = axios.create({
  baseURL: process.env.VUE_APP_BASE_API, // url = base url + request url
  // withCredentials: true, // send cookies when cross-domain requests
  timeout: 600000 // request timeout
})

// request interceptor
service.interceptors.request.use(
  config => {
    // do something before request is sent

    if (store.getters.token) {
      // let each request carry token
      // ['X-Token'] is a custom headers key
      // please modify it according to the actual situation
      config.headers['ACCESS_TOKEN'] = getToken()
      config.headers['machineCode'] = getMachineCode()
    }
    return config
  },
  error => {
    // do something with request error
    console.log(error) // for debug
    return Promise.reject(error)
  }
)

// response interceptor
service.interceptors.response.use(
  /**
     * If you want to get http information such as headers or status
     * Please return  response => response
     */

  /**
     * Determine the request status by custom code
     * Here is just an example
     * You can also judge the status by HTTP Status Code
     */
  response => {
    const res = response.data
    // if the custom code is not 20000, it is judged as an error.
    if (res.code !== 200 && res.code !== 201) {
      if (res.code == 400) {
        if (res.message == '已拒绝') {

        } else {
          Message({
            message: res.message || '请求异常',
            type: 'warning',
            duration: 2 * 1000
          })
        }
      } else {
        Message({
          message: res.message || '请求异常',
          type: 'error',
          duration: 2 * 1000
        })
      }

      // 50008: Illegal token; 50012: Other clients logged in; 50014: Token expired;
      if (res.code === 50008 || res.code === 50012 || res.code === 401) {
        // to re-login
        MessageBox.confirm('您的登录状态失效，您可以取消停留在该页上，或再次登录', {
          confirmButtonText: '重新登录',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(() => {
          store.dispatch('user/resetToken').then(() => {
            location.reload()
          })
        })
      }
      return Promise.reject(new Error('请求异常'))
    } else {
      return res
    }
  },
  error => {
    console.log('err' + error.message) // for debug
    Message({
      message: '请求服务出错',
      type: 'error',
      duration: 2 * 1000
    })
    return Promise.reject(error)
  }
)

export default service
